Abstract
We propose and describe mode converter/splitter based on optical analogy
of multistate stimulated Raman adiabatic passage in multimode waveguides.
Computer-generated planar holograms are used to implement the coupling
coefficients that mimic the optical pulses used in the transfer among
quantum states of atoms and molecules. The mode coupling properties in
multimode waveguides are analyzed using the coupled-mode theory and shown to
resemble the multistate stimulated Raman adiabatic passage process. Key
features of multistate systems are illustrated with theoretical calculations
and numerical examples. Mode converter and splitter are designed based on
the theoretical analysis and verified using beam propagation
simulations.
© 2010 IEEE
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